chore(approval, likes): use subscribers (#3577)

* chore: use subscribers

* Apply fixes from StyleCI

* Un-static

Co-authored-by: StyleCI Bot <[email protected]>

Author: imorland

extend.php

@@ -17,8 +17,6 @@
 use Flarum\Likes\Event\PostWasUnliked;
 use Flarum\Likes\Notification\PostLikedBlueprint;
 use Flarum\Likes\Query\LikedByFilter;
-use Flarum\Post\Event\Deleted;
-use Flarum\Post\Event\Saving;
 use Flarum\Post\Filter\PostFilterer;
 use Flarum\Post\Post;
 use Flarum\User\User;
@@ -60,8 +58,7 @@
     (new Extend\Event())
         ->listen(PostWasLiked::class, Listener\SendNotificationWhenPostIsLiked::class)
         ->listen(PostWasUnliked::class, Listener\SendNotificationWhenPostIsUnliked::class)
-        ->listen(Deleted::class, [Listener\SaveLikesToDatabase::class, 'whenPostIsDeleted'])
-        ->listen(Saving::class, [Listener\SaveLikesToDatabase::class, 'whenPostIsSaving']),
+        ->subscribe(Listener\SaveLikesToDatabase::class),
 
     (new Extend\Filter(PostFilterer::class))
         ->addFilter(LikedByFilter::class),

src/Listener/SaveLikesToDatabase.php

@@ -13,13 +13,23 @@
 use Flarum\Likes\Event\PostWasUnliked;
 use Flarum\Post\Event\Deleted;
 use Flarum\Post\Event\Saving;
+use Illuminate\Contracts\Events\Dispatcher;
 
 class SaveLikesToDatabase
 {
+    /**
+     * @param Dispatcher $events
+     */
+    public function subscribe(Dispatcher $events)
+    {
+        $events->listen(Saving::class, [$this, 'whenPostIsSaving']);
+        $events->listen(Deleted::class, [$this, 'whenPostIsDeleted']);
+    }
+
     /**
      * @param Saving $event
      */
-    public static function whenPostIsSaving(Saving $event)
+    public function whenPostIsSaving(Saving $event)
     {
         $post = $event->post;
         $data = $event->data;
@@ -47,7 +57,7 @@ public static function whenPostIsSaving(Saving $event)
     /**
      * @param Deleted $event
      */
-    public static function whenPostIsDeleted(Deleted $event)
+    public function whenPostIsDeleted(Deleted $event)
     {
         $event->post->likes()->detach();
     }